Vol. 24 (1952/54)-vol. 28, no. 2(dic. 1965) under the auspices of Consiglio nazionale delle ricerche; vol. 44 (1986)- issued by Dipartimento di biologia vegetale, Universit degli studi di Roma "La Sapienza"
Supplements with title: Studi sul territorio accompany some volumes
Index: Vols. 1-17, 1903-28, with v. 17
None published 1999-2000; begins new series in 2001